sysu.org - dns.ninja

sysu.org

DNSSEC⚠️ Not signed
NSns19.xincache.com ⭐
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A2402:4e00:1730::e🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.180🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.45🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A125.94.59.210🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
A129.211.176.209🇨🇳 TENCENT-NET-AP129.211.176.0/20
NSns20.xincache.com
A2402:4e00:111:fff::c🇨🇳 TENCENT-NET-AP2402:4e00::/35
A1.12.0.1🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.176🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.111🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.184🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A129.211.176.239🇨🇳 TENCENT-NET-AP129.211.176.0/20
A163.177.5.23🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
MXmxdomain.qq.com ⭐
SOAns19.xincache.comenterprise1dnsadmin@dnspod.com serial=1576610568

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1786586530

Same first word

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DNS History

5 records (3 active, 2 former)

20162017201820192020202120222023202420252026NSns19.xincache.comns20.xincache.comns17.xincache.comns18.xincache.comMXmxdomain.qq.com
○NSns17.xincache.com2015-07-19 → 2016-05-06 · 4 obs
● 2015-07-19 04:39:02
● 2016-05-06 05:44:00
○ 2017-01-11 01:31:28
○ 2026-08-13 02:33:16
○NSns18.xincache.com2015-07-19 → 2016-05-06 · 4 obs
● 2015-07-19 04:39:02
● 2016-05-06 05:44:00
○ 2017-01-11 01:31:28
○ 2026-08-13 02:33:16
●NSns19.xincache.com2017-01-11 → 2026-08-13 · 3 obs
○ 2016-05-06 05:44:00
● 2017-01-11 01:31:28
● 2026-08-13 02:33:16
●NSns20.xincache.com2017-01-11 → 2026-08-13 · 3 obs
○ 2016-05-06 05:44:00
● 2017-01-11 01:31:28
● 2026-08-13 02:33:16
●MXmxdomain.qq.com2015-07-19 → 2026-08-13 · 2 obs
● 2015-07-19 04:39:02
● 2026-08-13 02:33:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
sysu.orgns19.xincache.com, ns20.xincache.com-

✅ Authoritative Response

Server:1.12.0.4

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysu.org (unsigned zone)

⏱️ Timing

Total: 497ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns20.xincache.com, ns19.xincache.com
MX1mxdomain.qq.com (pri: 10)
SOA1ns19.xincache.com enterprise1dnsadmin.dn

Analysis

Name Servers

The NS records for sysu.org delegate to ns19.xincache.com and ns20.xincache.com.

sysu.org shares its name server setup with other domains, including nt-ld.com, i33.tv, laofengzhai.com and two others.

At least some of sysu.org's name servers are shared with other domains, for example sdpzj.com, ecrchina.org, kbn.net.cn and two more.

These name servers tend to be deployed in combination with the name servers ns11.xincache.com and ns12.xincache.com.

Host names with 8 IP numbers:

ns19.xincache.com maps to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 additional IP addresses.

Host names with 7 IP numbers:

ns20.xincache.com maps to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 additional IP addresses.

Mail Servers

sysu.org has one mail server: mxdomain.qq.com.

sysu.org shares the same mail server setup as other domains, including semro.com.cn, eporttech.com, lulugo.com and two others.

sysu.org shares mail servers — at least in part — with other domains, including cnseen.com, laofuzi.org, infopat.net and two others.

It is common to find these mail servers used together with the mail servers mxn.mxhichina.com and mxw.mxhichina.com.